I'm riding a 8,25'' now, changed from an 8''.
I've rode an 8.25 with 149s before, and they fit perfectly, but if you don't plan on going up a size any time soon then I wouldn't bother, as 139s work just as well.
@wildstrawberries started
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I've rode an 8.25 with 149s before, and they fit perfectly, but if you don't plan on going up a size any time soon then I wouldn't bother, as 139s work just as well.